psf21911 ETC-unknow, psf21911 Datasheet - Page 21

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

1.6
The table below gives an overview of the different microprocessor bus modes.
Table 1
Semiconductor Group
Pin number Stand-alone
P-LCC
44
12
45
43
42
41
40
39
38
25
19
24
36
35
33
20
34
17
3
37
18
T-QFP
64
24
5
4
3
2
1
62
61
44
36
43
59
58
55
37
57
32
10
60
35
Microprocessor Bus Interface
Microprocessor Bus Interface (Overview)
mode
PMODE = 0
PCD0
PCD1
PCD2
PCRD
PCWR
PCA0
PCA1
GNDd
INT
GNDd
MS2
MS1
MS0
TP1
MTO
DOD
TSP
DISS
AUTO
n.c.
n.c.
n.c.
RD
WR
CS
Symbol in processor mode
Siemens/
Intel
multiplexed
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
INT
SMODE=0
ALE
21
Microprocessor Bus Interface (Overview)
Siemens/
Intel
demultiplexed
D0
D1
D2
D3
D4
D5
D6
D7
INT
A0
A1
A2
A3
ALE=0
RD
WR
CS
PMODE = 1
MCLK
RST
Motorola
demultiplexed
D0
D1
D2
D3
D4
D5
D6
D7
INT
A0
A1
A2
A3
ALE=1
DS
R/W
CS
Serial
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
INT
SMODE=1
CDIN
CDOUT
n.c.
CCLK
n.c.
n.c.
CS
PSB 21911
PSF 21911
11.97